....1
...2
..3
.4
5

for (int line = 1; line <=5; line++) 
      {
          for( int j= 1; j<= (-1 * line + 5); j++)
          {
              System.out.print(" . ");
          }
          System.out.println(line);
      }

....1
...22
..333
.4444
55555      for (int line = 1; line <=5; line++) 
      {
          for( int j= 1; j<= (-1 * line + 5); j++)
          {
              System.out.print(".");
          }
          for(int k = 1; k<= line; k++)
          {
              System.out.print(line);
          }
          System.out.println();
      }


....1
...2.
..3..
.4...
5....      for (int line = 1; line <=5; line++) 
      {
          for( int j= 1; j<= (-1 * line + 5); j++)
          {
              System.out.print(".");
          }
              System.out.print(line);
              for(int j=1; j<= (line - 1); j++)
              {
                  System.out.print(".");
              }
              System.out.println();
      }


. . . . .
. . . .
. . .
. . 
.
        for (int line = 1; line <=5; line++) 
      {
          for( int j= 1; j<= (5 - (line - 1)); j++)
          {
              System.out.print(" . ");
          }
          System.out.println();
      }